Narmada River agate gravels

Where: Madhya Pradesh · Asia · approx. 22.6, 77.72 (vicinity only)

Why this spot: Agate, jasper and carnelian reworked from Deccan basalt into Narmada terrace gravels, polished into banalinga stones for centuries

What turns up: agate, carnelian, jasper, chalcedony pebbles

Access: Gray area.

Riverbed sand and stone extraction is state-regulated, casual pebble picking is tolerated away from lease blocks.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.